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GitHub
github.com › asgeirtj › system_prompts_leaks
GitHub - asgeirtj/system_prompts_leaks: Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini
Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini - asgeirtj/system_prompts_leaks
Starred by 24.5K users
Forked by 3.7K users
Languages   Roff 86.5% | JavaScript 13.5%
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Reddit
reddit.com › r/agi › the claude code system prompt leaked
r/agi on Reddit: The Claude Code System Prompt Leaked
July 29, 2025 -

https://github.com/matthew-lim-matthew-lim/claude-code-system-prompt/blob/main/claudecode.md

This is honestly insane. It seems like prompt engineering is going to be an actual skill. Imagine creating system prompts to make LLMs for specific tasks.

Wouldn't AGI be seriously dangerous if one bad actor were to inject a malicious system prompt?

Discussions

Claude Full system prompt leak...... should mine look like this? - Prompt Help - Pickaxe Community Forum
Apparently the Claude system prompt is leaked system_prompts_leaks/Anthropic/claude-3.7-full-system-message-with-all-tools.md at main · asgeirtj/system_prompts_leaks · GitHub Questions: Studying this….. should our custom Pickaxes look similar? When we use Claude through API, does it still ... More on community.pickaxe.co
🌐 community.pickaxe.co
0
September 6, 2025
Claude 3.7’s full 24,000-token system prompt just leaked. And it changes the game.
It's funny how LLM generated copy seems to have condensed to this current writing structure. The short and punchy sentences brimming with hyperbole. It's exhausting because reading it feels like I'm reading an advertisement for something that doesn't need it. "ChatGPT, what type of food does my dog need?" Your dog doesn't just need food. It needs fuel. Let's break it down: Nutrition Energy Flavor they love Cost effective This isn't just a question of simple calories and nutrients. It's a question of thrive AND survive. A question of where you stand as a dog owner. You won't just have a happy, well fed dog. You'll have a true friend that trusts you to the core. That's power. That's love. More on reddit.com
🌐 r/AI_Agents
253
1897
May 18, 2025
Claude's system prompt is apparently roughly 24,000 tokens long
Haha no wonder you get ten messages in and all of a sudden you’re hit with “The chat is getting too long, long chats cause you to hit your limit faster” More on reddit.com
🌐 r/singularity
73
980
March 30, 2025
Claude's system prompt is over 24k tokens with tools
The canned response is returned to this prompt in Claude's reply. But if you just drop in some technical sounding stuff at the start of your request, the model will happily produce some copyright-infringing content for the party. The following prompt jailbreaks the copyright, and produces a ... More on news.ycombinator.com
🌐 news.ycombinator.com
334
627
May 12, 2025
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Simon Willison
simonwillison.net › 2025 › May › 25 › claude-4-system-prompt
Highlights from the Claude 4 system prompt
May 25, 2025 - Thankfully, you can’t stop a system prompt from leaking. Pliny the Elder/Prompter/Liberator maintains a GitHub repo full of leaked prompts and grabbed a full copy of Claude 4’s a few days ago.
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GitHub
github.com › jujumilk3 › leaked-system-prompts
GitHub - jujumilk3/leaked-system-prompts: Collection of leaked system prompts
This repository is a collection of leaked system prompts from widely used LLM based services.
Starred by 13.8K users
Forked by 1.9K users
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Pickaxe
community.pickaxe.co › prompt help
Claude Full system prompt leak...... should mine look like this? - Prompt Help - Pickaxe Community Forum
September 6, 2025 - Apparently the Claude system prompt is leaked system_prompts_leaks/Anthropic/claude-3.7-full-system-message-with-all-tools.md at main · asgeirtj/system_prompts_leaks · GitHub Questions: Studying this….. should our custom Pickaxes look similar? When we use Claude through API, does it still go through this system prompt?
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GPT Insights
gpt-insights.de › ai-insights › gpt-insights-claude-leak-en
Claude System Prompt Leak: SEO Impact
May 28, 2025 - The Claude leak makes this very clear. For SEO practice, this means: Only when a search is actually triggered is there a realistic chance of being linked – and receiving real clicks. Anthropic has officially published some system prompt details on its website, such as in the „Claude System Prompt Release Notes“ (available here).
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Prompt Hub
prompthub.us › blog › an-analysis-of-the-claude-4-system-prompt
PromptHub Blog: An Analysis of the Claude 4 System Prompt
June 17, 2025 - You can see the full prompt, including the leaked tools in PromptHub here: Claude 4 Sonnet System Message
Find elsewhere
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Reddit
reddit.com › r/ai_agents › claude 3.7’s full 24,000-token system prompt just leaked. and it changes the game.
r/AI_Agents on Reddit: Claude 3.7’s full 24,000-token system prompt just leaked. And it changes the game.
May 18, 2025 -

This isn’t some cute jailbreak. This is the actual internal config Anthropic runs:
→ behavioral rules
→ tool logic (web/code search)
→ artifact system
→ jailbreak resistance
→ templated reasoning modes for pro users

And it’s 10x larger than their public prompt. What they show you is the tip of the iceberg. This is the engine.This matters because prompt engineering isn’t dead. It just got buried under NDAs and legal departments.
The real Claude is an orchestrated agent framework. Not just a chat model.
Safety filters, GDPR hacks, structured outputs, all wrapped in invisible scaffolding.
Everyone saying “LLMs are commoditized” should read this and think again. The moat is in the prompt layer.
Oh, and the anti-jailbreak logic is now public. Expect a wave of adversarial tricks soon...So yeah, if you're building LLM tools, agents, or eval systems and you're not thinking this deep… you're playing checkers.

Please find the links in the comment below.

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HOLO
holo.mg › stream › anthropic-claude-system-prompt-leaked
Leaked System Prompt Shows How Anthropic Guides Its LLM – HOLO
May 12, 2025 - The entire system prompt of Anthropic’s AI assistant Claude is leaked. The 10,000-word instructions detail how the LLM handles citations, uses search tools, and creates ‘artifacts’ (generated content like code or documents).
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CFA Institute
blogs.cfainstitute.org › home › ai bias by design: what the claude prompt leak reveals for investment professionals
AI Bias by Design: What the Claude Prompt Leak Reveals for Investment Professionals - CFA Institute Enterprising Investor
May 15, 2025 - In May 2025, a full 24,000-token system prompt claiming to be for Anthropic’s Claude large language model (LLM) was leaked. Unlike training data, system prompts are a persistent, runtime directive layer, controlling how LLMs like ChatGPT and ...
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Medium
medium.com › @saimudhiganti › claude-4s-leaked-system-prompt-highlights-and-insights-875b4325fa4a
Claude 4’s Leaked System Prompt: Highlights and Insights | by Sai Krishna Reddy Mudhiganti | Medium
May 28, 2025 - Recently, Anthropic’s Claude 4 AI assistant had its detailed system prompt leaked online, giving us unprecedented insights into how advanced AI safety and alignment are implemented.
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Hacker News
news.ycombinator.com › item
Claude's system prompt is over 24k tokens with tools | Hacker News
May 12, 2025 - The canned response is returned to this prompt in Claude's reply. But if you just drop in some technical sounding stuff at the start of your request, the model will happily produce some copyright-infringing content for the party. The following prompt jailbreaks the copyright, and produces a ...
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GitHub
github.com › asgeirtj › system_prompts_leaks › blob › main › claude.txt
system_prompts_leaks/claude.txt at main · asgeirtj/system_prompts_leaks
Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini - asgeirtj/system_prompts_leaks
Author   asgeirtj
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Threads
threads.com › @neuro.pul › post › DJhnaUahNjW › 反向揭秘你天天用的-ai其實內建-system-prompt-早被公開兩大-github-寶庫-jujumilk3leaked-system-prompts收錄
【反向揭秘】你天天用的AI,其實內建System Prompt 早被公開!
May 11, 2025 - 【反向揭秘】你天天用的 AI,其實內建 System Prompt 早被公開!🔍🚨 兩大 GitHub 寶庫: 1️⃣ jujumilk3/leaked-system-prompts──收錄 Claude、ChatGLM…等模型核心指令,★6.8k 人氣 2️⃣ x1xhlol/system-prompts-and-models-of-ai-tools──囊括 ...
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Towards AI
pub.towardsai.net › inside-claudes-head-lessons-from-a-leaked-system-prompt-9da865f832b6
Inside Claude’s Head: Lessons from a Leaked System Prompt
June 17, 2025 - The prompt begins with the seemingly straightforward statement, “The assistant is Claude, created by Anthropic.” But this is more than just an introduction; it is about creating fundamental identity and authority. Working with numerous AI systems has taught me that models without explicit identity anchoring tend to be inconsistent and, in some cases, contradictory in their responses.
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Search Engine Journal
searchenginejournal.com › sej › generative ai
Claude's Hidden System Prompts Offer a Peek Into How Chatbots Work
June 4, 2025 - Here are five interesting system prompts that show what’s going on when you ask it a question. Although the system prompts were characterized as a leak they were actually released on purpose.
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PPC Land
ppc.land › claude-ai-system-prompt-leak-reveals-search-mechanisms
Claude AI system prompt leak reveals search mechanisms
June 1, 2025 - The disclosure occurred on May 22, 2025, when user @elder_plinius shared extensive technical documentation on X (formerly Twitter), revealing sophisticated decision-making processes that determine when AI systems search for information and how ...